Much of the time a dataset warehouses more information than you currently need. That’s why data are so often filtered, after all; and the decision to filter can cut back the data from one of two vantage points: you may need to filter the fields you need and shun the others, but at other times you may leave all the fields intact and apply the filter to selected records. Whichever route you take, the new CHOOSECOLS and CHOOSEROWS dynamic array functions will help point you in the right direction.
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